1 In a medium bowl using a rubber spatula, combine Parmigiano-Reggiano cheese, scallions, egg whites, flour and garlic powder.
2 Peel sweet potatoes and grate using a food processor. Add to bowl. Stir to combine making sure sweet potatoes are coated in egg-flour mixture.
3 In a medium non-stick skillet over medium-high heat, heat oil. Without overcrowding the pan, place compact tablespoonfuls of the sweet potato mixture into the hot oil. Using another small spoon, flatten. Cook 3-4 minutes per side. Drain pancakes on paper towel. Top each with St. André® cheese, salmon eggs and chives.
Variation: If you love the creaminess of St. André®, you might want to try this recipe using buttery Brie. Like St. André®, Brie will balance the sugar in the sweet potatoes and its richness will give the pancakes gourmet status. A fresh goat cheese like Ile de France®, would also lend an agreeable tart contrast.